英伟达 200G一卡难求，国产替代方案推荐

Core Viewpoint - The article introduces the XPU-316 network card as a cost-effective domestic alternative to the ConnectX-7, highlighting its comparable features and ease of procurement in China. Group 1: XPU-316 Specifications - The XPU-316 standard network card supports 2x200G network interfaces, providing a maximum throughput of 400Gbps with a latency of less than 10 microseconds [2]. - It supports IPSEC/TLS, AES/SM4 algorithms, and national cryptography algorithms, significantly enhancing data center security [2]. - The card is compatible with various operating systems including Linux, CGSL, Euler, and Longxin, and supports both X86 and ARM CPUs [2]. Group 2: Performance Features - The XPU-316 card offers high-performance RDMA capabilities and an open programmable congestion control algorithm platform, allowing customers to design suitable congestion control algorithms based on their business needs [2]. - It is designed for general-purpose and intelligent computing servers, making it suitable for public cloud, private cloud, edge cloud, and intelligent computing centers [2]. Group 3: Technical Specifications - The card has a half-height, half-length form factor and utilizes PCIe Gen 5 with a maximum of 16 lanes [3]. - It features 2 x 200GE (QSFP56) network interfaces and supports a maximum bandwidth of 400G with a latency of less than 10 microseconds [11]. - The card supports various advanced features such as QoS, SRIOV, and dynamic queue configuration [12][13].